Home / 213,248.52-319,682.70-108,013.32

Finding the Fourth Proportional to 213,248.52, 319,682.70 and 108,013.32

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Solution

The fourth proportional to 213,248.52, 319,682.70 and 108,013.32 is: 161,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,248.52 : 319,682.70 = 108,013.32 : x
  2. Step 2: Convert to fraction form
    213,248.52/319,682.70 = 108,013.32/x
  3. Step 3: Cross multiply
    213,248.52x = 319,682.70 × 108,013.32
  4. Step 4: Simplify right side
    213,248.52x = 34,529,989,773.56
  5. Step 5: Solve for x
    x = 34,529,989,773.56/213,248.52
  6. Step 6: Final answer
    x = 161,923.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.